package itdfq.ydd.Behavior_Patters.Iterator;

/**
 * @Author GocChin
 * @Date 2021/5/15 14:26
 * @Blog: itdfq.com
 * @QQ: 909256107
 * @Descript:
 */
public interface PeopleIterator {
    void setNumber(int i);
    void next();
    void previous();
    boolean isLast();
    boolean isFirst();
    Object nowNumber();
}
